/Engine/Source/Editor/KismetCompiler/Public/KismetCompiler.h
Spawn an intermediate function graph for this compilation using the specified desired name (and optional signature), which may be modified to make it unique.
[UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * SpawnIntermediateFunctionGraph ( const [FString](API\Runtime\Core\Containers\FString) & InDesiredFunctionName, const [UFunction](API\Runtime\CoreUObject\UObject\UFunction) * InSignature, bool bUseUniqueName )